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shader: type pixel outputs of UINT and SINT render targets as integer vectors

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Co-authored-by: Ali Almohaya <AliAlmohaya@gmail.com>
Co-authored-by: Mac <me@itsmemac.com>
Co-authored-by: Senaxx <michelbeld@gmail.com>
This commit is contained in:
nmzikAli AlmohayaMacSenaxx
 committed 2026-10-26 05:32:02 +01:00
1 parent 4ebae87a1b
commit 26ca609236
9 files changed
+103 -23
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src/graphics/shader/recompiler/backend/spirv/spirvEmitterModule.cpp
+9 -7
View File
@@ -691,13 +691,15 @@ void DefineOutputs(EmitterState& state) {
break;
case IR::StageOutputKind::Parameter:
case IR::StageOutputKind::Mrt: {
const bool uint_output =
binding.kind == IR::StageOutputKind::Mrt &&
state.program.stage == ShaderType::Pixel &&
binding.index < std::size(state.input_info.pixel->target_output_mode) &&
(state.input_info.pixel->target_output_mode[binding.index] == 7u ||
(state.input_info.pixel->target_packed_unorm_mask & (1u << binding.index)) != 0u);
const auto type = uint_output ? TypeU32Vector(state, 4) : TypeF32Vector(state, 4);
auto type = TypeF32Vector(state, 4);
if (binding.kind == IR::StageOutputKind::Mrt &&
state.program.stage == ShaderType::Pixel && binding.index < 8u) {
// Packed UNorm stores its encoded bits.
const auto bit = 1u << binding.index;
type = (state.input_info.pixel->target_packed_unorm_mask & bit) != 0u
? TypeU32Vector(state, 4)
: MrtOutputType(state, binding.index);
}
binding.variable_id = DefineInterfaceVariable(state, type, spv::StorageClassOutput,
binding.debug_name.c_str());
const bool dual_source = binding.kind == IR::StageOutputKind::Mrt &&